Chandra: This is initial voice logic reconstruction test number one. Diagnostics on voice recognition in speech synthesis centres have been completed. At this level, all functions appear normal. (Types)

Hal: (Metallic, mechanical and not at all Hal-like) HELLO...DOCTOR...NAME...CONTINUE...YESTERDAY...TOMORROW.

(Chandra makes some adjustment and Hal tries again, with equally bizarre results).
(The cycle is repeated again, and again, until)

Hal: Good morning, Dr Chandra, this is Hal. I'm ready for my first lesson.